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Description
AV Toolbox AP-411 Lip Sync CorrectorSyncs Audio and Video Up to 300ms Delay 48kHz Sample Rate Stereo RCA Connectors AC Adapter Included The AP 411 Lip Sync Corrector from AV Toolbox is a compact tool that allows you to correct audio video timing mismatches that create a loss of sync in program content. Typically, a loss of sync is cause by video arriving after audio, so the AP 411 provides up to 300 milliseconds of delay for the audio component to restore audio video sync. The device
- Syncs Audio and Video
- Up to 300ms Delay
- 48kHz Sample Rate
- Stereo RCA Connectors
- AC Adapter Included
The AP-411 Lip Sync Corrector from AV Toolbox is a compact tool that allows you to correct audio/video timing mismatches that create a loss of sync in program content. Typically, a loss of sync is cause by video arriving after audio, so the AP-411 provides up to 300 milliseconds of delay for the audio component to restore audio/video sync.
The device has stereo RCA input and output connectors, which can accept and output up to 2Vrms audio levels. It supports a 48kHz sample rate, and requires only 5VDC of power to operate. An AC adapter is provided.
- Compact and lightweight design
- Allows you to delay an audio signal by up to 300ms to restore audio/video sync to program content
- Stereo RCA input and output connectors for wide compatibility
- Accepts and outputs audio levels up to 2Vrms, and supports 48kHz sample rates
- Requires only 5VDC of power to operate, and an AC adapter is included
| Audio Inputs | 1 x L/R stereo RCA jack |
| Audio Outputs | 1 x L/R stereo RCA jack |
| Delay | Up to 300 ms (selectable) |
| S/N Ratio | > 80 dB |
| Crosstalk | < -70 dB |
| THD + N | < 0.01% |
| Audio Input Level | 2 Vrms maximum (L/R) |
| Audio Output Level | 2 Vrms maximum (L/R) |
| Audio Sampling Rate | 48 kHz |
| Audio Bandwidth | 20 Hz - 20 kHz |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Operating Humidity | 10 - 90% (non-condensing) |
| Storage Temperature | -4 to 140°F (-20 to 60°C) |
| Storage Humidity | 10 - 90% (non-condensing) |
| Power Requirements | 5 VDC at 1 A (0.5 W consumption) |
| Power Connector | 1 x Power input jack |
| Regulations | Audio Leveler: FCC, CE, RoHS Power Adapter: UL, CUL, CE, PSE, GS, RoHS |
| Dimensions (WxHxD) | 1.65 x 0.87 x 1.6" (42 x 22 x 41 mm) |
| Weight | 1.13 oz (32 g) |
| Packaging Info | |
|---|---|
| Package Weight | 0.45 lb |
| Box Dimensions (LxWxH) | 5.9 x 4.8 x 2.3" |
In the Box
AV Toolbox AP-411 Lip Sync Corrector
- AC Power Adapter
- RCA Stereo Audio Cable (3' / 0.9m)
- 1-Year Limited Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Excellent monitor!!! Be aware that it does not have internal speakers.
Size: 24 inch 100Hz
Beautiful image. This monitor is excellent and I am very happy with it.
However, you should be aware that it does not have any internal speakers and it does not have any audio input. It does have audio output for external speakers or headphones. For me, this was not a problem since I use a USB external speaker for better clarity.
The lack of internal speakers was a surprise to me, but I suppose since the lack of speakers mentioned in the product description should have tipped me off.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Good quality product
Size: 24 inch 100Hz
Happy with this purchase, easy to set up, I mostly use for my camera system, but flip around from TV and streaming! Love the size.
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Reviewed in the United States on May 11, 2026
★★★★★ 4
Great Buy
Size: 24 inch 100Hz
I needed an monitor for my work office and I am glad I got it. It suits the job. The screen is nice and bright, clear, and runs smooth. It is easy to set up but I wish it could swivel around and had some height too it. Overall, It was a good buy for the 24 inch screen. I would definitely buy it again. The sound quality is great,no issues so far with the monitor at all.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Great Value!
Size: 24 inch 100Hz
Huge upgrade from what I had before. fast, nice display. I'm happy! Thanks!
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Works as it should
Size: 24 inch 100Hz
I started a new job a few months ago and I get to work from home one day a week. They do not pay for you to set up a home office however, so I was looking for a cheap monitor for part of my set up. I came across this one and decided to try it out.
I work in client service for a finance company so a lot of what I use it for is email, other conversational programs, and then our custodian software. I’m not doing anything crazy. I have it connected to a name brand laptop and it was very easy to set up with no issues. It turned right on.
The picture quality is nice. Again, I’m not doing editing or anything on this so it works for what I need. It does NOT have speakers, so I do need to use the speakers on my laptop( which can be annoying), but again it’s not a deal breaker.
I have been using it now for 5 months and it’s been working really well for my set up. I am thinking of getting a second monitor and I would get another of these but also I do want a speaker so I don’t know that I would get this exact version.
For the price, if you are looking for something basic for normal work from home needs, this does the trick!
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Reviewed in the United States on February 17, 2026